<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<script>
		   // var age=prompt('请输入你到年龄');
		   // alert('你已经'+age+'岁了');
		   var str='pink';
		   console.log(typeof str);
		</script>
	</head>
	<body>
	</body>
</html>
